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Core CIF Dictionary version 2.3




Category: space_group

Data type: numb

May appear in a looped list containing '_space_group_id'

Enumeration range: 1 -> 230


   The number as assigned in International Tables for
   Crystallography Vol A, specifying the proper affine class (i.e.
   the orientation preserving affine class) of space groups
   (crystallographic space group type) to which the space group
   belongs.  This number defines the space group type but not
   the coordinate system in which it is expressed.

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